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help please !
What is the nuclear binding energy in joules for an atom of lithium? Assume the following:
Mass defect = 6.9986235 × 10-29 kilograms.
Use E = mc2, with c = 3 × 108 m/s.


6.3 × 10-12 joules


0.6352 × 10-8 joules


6.3 × 10-8 joules


21.124 × 10-21 joules

Respuesta :


[tex]mass \: defect \: is \: \: given \: to \: be \: 6.9986235 \times {10}^{ - 29} \: which \: is \: approx \: 7 \times {10}^{ - 29} [/tex]

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The best answer is E=63 times 10^12

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